Look at other dictionaries:

malignant lymphoma — any of a group of malignant neoplasms characterized by the proliferation of cells native to the lymphoid tissues, i.e., lymphocytes, histiocytes, and their precursors and derivatives. The group is divided into two major clinicopathologic… … Medical dictionary

Lymphoma in animals — is a type of cancer defined by a proliferation of malignant lymphocytes within solid organs such as the lymph nodes, bone marrow, liver and spleen. The disease also may occur in the eye, skin, and gastrointestinal tract. It is also known as… … Wikipedia

Lymphoma — Lym*pho ma, n. [NL. See {Lymph}, and { oma}.] (Med.) A tumor having a structure resembling that of a lymphatic gland; called also {lymphadenoma}. [1913 Webster] {Malignant lymphoma}, a fatal disease characterized by the formation in various parts … The Collaborative International Dictionary of English

Malignant pleural effusion — is a condition in which cancer causes an abnormal amount of fluid to collect between the thin layers of tissue (pleura) lining the outside of the lung and the wall of the chest cavity. Lung cancer and breast cancer account for about 50 65% of… … Wikipedia

lymphoma — Malignant neoplastic disorder of lymphoreticular tissue that produces a distinct tumour mass, not a leukaemia (in which the cells are circulating). Includes tumours derived both from the lymphoid lineage and from mononuclear phagocytes; lymphomas … Dictionary of molecular biology